Search a number
-
+
31343020303 = 714327312527
BaseRepresentation
bin11101001100001100…
…001000100100001111
32222220100102101212211
4131030030020210033
51003142303122203
622222045411251
72156465163640
oct351414104417
988810371784
1031343020303
1112324355071
1260a8869b27
132c566b357a
1417349676c7
15c369b5c6d
hex74c30890f

31343020303 has 8 divisors (see below), whose sum is σ = 35823209472. Its totient is φ = 26863484856.

The previous prime is 31343020283. The next prime is 31343020327. The reversal of 31343020303 is 30302034313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31343020303 - 229 = 30806149391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31343020603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55975 + ... + 256552.

It is an arithmetic number, because the mean of its divisors is an integer number (4477901184).

Almost surely, 231343020303 is an apocalyptic number.

31343020303 is a deficient number, since it is larger than the sum of its proper divisors (4480189169).

31343020303 is a wasteful number, since it uses less digits than its factorization.

31343020303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326861.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 31343020303 its reverse (30302034313), we get a palindrome (61645054616).

The spelling of 31343020303 in words is "thirty-one billion, three hundred forty-three million, twenty thousand, three hundred three".

Divisors: 1 7 14327 100289 312527 2187689 4477574329 31343020303